CVE-2025-23083: Worker permission bypass via InternalWorker leak in diagnostics
With the aid of the diagnosticschannel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 20.18.2Fixed in 22.13.1Fixed in 23.6.1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 20.18.2 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 22.13.1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 23.6.1 - Upgrade
Upgrade
alpine/nodejsto a version that resolves this vulnerability.Fixed in 22.13.1-r0 - Upgrade
Upgrade
alpine/openjdk17to a version that resolves this vulnerability.Fixed in 17.0.15_p6-r0 - Upgrade
Upgrade
alpine/openjdk21to a version that resolves this vulnerability.Fixed in 21.0.7_p6-r0
Event History
Parent advisories
This vulnerability appears in the following advisories.
Frequently Asked Questions
What is the severity of CVE-2025-23083?
CVE-2025-23083 has been categorized with a significant severity level due to the potential impact on security and privacy.
How do I fix CVE-2025-23083?
To fix CVE-2025-23083, update to the latest version of Node.js that includes the security patch addressing this vulnerability.
What does CVE-2025-23083 affect?
CVE-2025-23083 affects Node.js and its functionality related to worker threads and the diagnostics_channel utility.
Can CVE-2025-23083 lead to remote code execution?
Yes, CVE-2025-23083 potentially allows an attacker to exploit internal workers, which could lead to remote code execution.
When was CVE-2025-23083 disclosed?
CVE-2025-23083 was disclosed in January 2025 as part of the Node.js security releases.